Teka LFE 101 ST1 - ATEX Operation; ATEX Zoning

8. ATEX operation
The following ATEX zoning and ignition source analysis is applied to the filter unit.
8.1. ATEX zoning
Area
Ex zone
Reason/Cause
Dusts
Installation location
(environment)
No zone
Installation not permitted in areas at risk of
explosion,
see: Intended use
Suction line -
inside
Zone 20
Entry of dust via the extraction points / varying
concentration
Raw gas area -
inside
Zone 20
● Accumulation of dust due to the filter.
● Disturbance of dust due to cleaning
operations.
● Entry of dust from the connected pipe
Clean gas area -
inside
Zone 22
Potential filter breakthrough. Penetration of
dust into the clean gas area.
Clean gas area
(after police filter)
No zone
Penetration of dust is reliably excluded
Dust collecting container
(1 m around the dust
collecting container with
projection onto the floor,
including the installation area)
Zone 22
Dust collecting container is opened for
emptying. This may briefly disturb the dust.
BA_LFE-101-201-301_ST1_20230808_EN
31
08.08.2023